Great app
Does exactly what it says. I use it to play around with what I could run a 5k in even in my age group. Definitely recommend
Free
In-App Purchases
About
This app helps runners plan their training, predict race times, and log their progress. It offers quick calculations for pace, distance, and time, with options to save results and customize the interface. Unlock advanced features like race time predictions and iCloud backup with a one-time purchase.
✓Pace, time, and distance calculations
✓Automatic unit conversions
✓Save and backup race results
✓Accurate race time predictions
✓Customizable themes and controls
✓Age grading percentages
Show original description
What's New in EmberRun Calc
2.0
October 12, 2026
A smoother, more polished EmberRun is here. - Explore a refreshed Race Calculator with modern inputs and clearer guidance. - Find your next goal faster with Predictions now available from its own tab. - Enjoy redesigned Saved Results and Predictions, plus a new Personal Records filter. - Copy saved results and predictions back into the calculator more reliably. - Improved layout and numeric entry across screen sizes, including clearer feedback for extreme times and paces. - Refined colors, navigation, accessibility, and overall stability.
More8
Subscriptions & In-App Purchases
$2.99
Save Results
Save, search, and sort your race results
User reviews
FAQ
What are the core features of EmberRun Calc?
EmberRun Calc offers free core features including instant pace, time, and distance calculations, along with automatic unit conversions between miles and kilometers. You can also share your runs directly from the app.
What can I unlock with EmberRun Calc's in-app purchases?
In-app purchases allow you to save and back up your race times, training runs, and predictions using iCloud. You can also access accurate race time predictions powered by Riegel's formula and customize the app's themes and controls.
Does EmberRun Calc have ads?
No, EmberRun Calc is an ad-free app. The description explicitly states it is a 'clean, ad-free app'.
How accurate are EmberRun Calc's race time predictions?
Race time predictions are powered by Riegel's formula, known for providing reliable results. You can also adjust these predictions based on your own performance history for greater accuracy.
What devices is EmberRun Calc available on?
Based on the provided data, EmberRun Calc is currently supported on iPhones.
How often is EmberRun Calc updated?
The app was last updated on October 1, 2025, indicating active development. The latest version is 1.4.
Can I track my progress over time with EmberRun Calc?
Yes, by saving your results and predictions, you can track your improvement over time. The app also shows how your results stack up with age grading percentages.
What is the age rating for EmberRun Calc?
EmberRun Calc has an age rating of 4+, making it suitable for a wide range of users.
